UMBELLIFER^. 331 



(1814), and Hook. Fl. i. 264. t. 94, under Seseli. Herbage pale green, 

 pubenilent: stem mostly leafless, 1 — 2^^ ft. high, simple: leaves bi- or 

 triternate; leaflets 2—4 in. long, narrowly linear to linear-lanceolate: 

 umbel uueqiially 5 — 18-rayed, with no involucre, but involucels of lanceo- 

 late or setaceous bractlets : f r. narrowly oblong, I4 — % in. long, glabrous 

 or pubescent; wings narrow; ribs prominent; oil-tubes very large and 

 broad, solitary in the intervals, 2 on the face: seed-face slightly concave. 

 Var. siliituin, C. & R. Rev. Umb. 70, has very narrowly linear leaflets, 

 and a broad wing to the fruit. -Eastward and northwai'd along the Sierra. 



10. P. leiocarpuiii, Nutt. 1. c. (1840); Hook. 1. c. 263. t. 93, under 

 Seseli. Habit of the preceding but stouter, }£ — ^H ft. high: leaflets 

 thick, ovate to narrowly lanceolate, 1 — 2 in. long, acute, or in the broader 

 forms sharply toothed at the broad apex: umbel few-rayed, naked, as are 

 also the umbellets : fr. 4— 5 lines long, 2 lines broad, narrowed below; 

 ribs rather prominent; wings half as wide as the body; oil-tubes 1 or 2 

 in the intervals, 4 on the face. — From Sierra Co. northward. 



11. P. parvifoliiun, T. c% G. Fl. i. 628 (1840); H. & A. Bot. Beech. 348 

 (1840), under Ferula: P. Californicum, C. & R. Bot. Gaz. xiii. 143 (1888). 

 Short-caulescent, slender. 6 — 10 in. high: leaves bipinnate but with con- 

 fluent upper leaflets; leaflets broad, obtuse, truncate or emarginate at 

 the very apex, irregularly incised and with broad cuspidate teeth : umbel 

 8 — 10-rayed; involucels of linear or lanceolate-acuminate bractlets: fr. 

 broadly elliptical to orbicular, 3 lines long; wings broader than body; 

 ribs prominent: oil-tubes solitary in the intervals, 2 — 4 on the face. — 

 Near Monterey, and southward in the Coast Ranges. 



* -j;- * * Stem stoul, tall, angular, leafy ; leaves pinnate; fl. yellow. — 

 Genus Pastinaca, Tourn. 



12. P. SATIVUM, Wats. Bot. King Exp. 128 (1871); Linn. Sp. PI. i. 262 

 (1753), under Pastinaca. Peucedanum Pastinaca, Baill. Hist. vii. 96 

 (1880). Biennial, branching, 2 — 4 ft. high; stem angular or fluted; 

 herbage nearly glabrous, of a somewhat yellowish green : leaflets of the 

 pinnate leaves large, ovate or oblong, incisely toothed: involucre and 

 involucels small or 0; fr. oval, 2 — 3 lines long, broadly winged, promi- 

 nently ribbed; oil-tubes solitary in the intervals. — The Parsnip of the 

 farms and gardens, native of Europe, is spontaneous here and there by 

 waysides and in waste lands. 



24. HER.iCLEUM, Linmvns (Cow Parsnip). Perennial or biennial, 

 with stout hollow fluted stem, ample lobed or compound leaves, and very 

 large umbels of white flowers. Calyx-teeth small or obsolete. Fruit 

 round-obovate, very much flattened dorsally, somewhat pubescent. Car- 

 pel with dorsal ribs filiform, the margin winged, the wings coherent when 

 young, strongly nerved toward the margin: oil-tubes solitary in the 



